M.2 to Desktop PCIe x4 x8 x16 NVMe SATA Dual SSD PCI Express Adapter Card | eBay
NVMe M.2 SSD to PCIe X16/X8/X4 Card - Sabrent
Amazon.com: Bejavr M.2 NVME to PCIe 3.0/4.0 x4 Adapter, NVME/AHCI SSD to PCIe Expansion Card with Aluminum Heatsink Solution, Supports PCI-Express X4 X8 X16 Slots : Electronics
M.2 to PCIe NVMe and SATA SSD Dual M Key and/or B Key Adapter Card 2242 2260 2280 M2 Drive to Desktop PCI Express x4 x8 x16 Slot, Includes Brackets - $8.99 - JacobsParts Inc
ADATA Shows Off SR2000CP PCIe 3.0 x8 AIC SSD Rated At 6GB/s Reads 3.8GB/s Writes